209864065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1\times {\mathrm{3323}}^1$

素因数の和:4088

約数の個数: 16

約数和(自身を含む): 267090048

約数和(自身を除く): 57225983

約数列:

[1, 5, 17, 85, 743, 3323, 3715, 12631, 16615, 56491, 63155, 282455, 2468989, 12344945, 41972813, 209864065]

約数ペア:

[(1, 209864065), (5, 41972813), (17, 12344945), (85, 2468989), (743, 282455), (3323, 63155), (3715, 56491), (12631, 16615)]